David Bruce Ringelberg

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Bradford, VT, US

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Patents Grantslast 30 patents

Information Patent Grant
Soluble salt produced from a biopolymer and a process for producing...
- Patent number 7,824,569
- Issue date Nov 2, 2010
- The United States of America as represented by the Secretary of the Army
- John K. Newman
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Methods for accelerating production of magnesium ammonium phosphate...
- Patent number 6,776,816
- Issue date Aug 17, 2004
- The United States of America as represented by the Secretary of the Army
- David B. Ringelberg
- C05 - FERTILISERS MANUFACTURE THEREOF

Patents Applicationslast 30 patents

Information Patent Application
SOLUBLE SALT PRODUCED FROM A BIOPOLYMER AND A PROCESS FOR PRODUCING...
- Publication number 20100078590
- Publication date Apr 1, 2010
- John K. Newman
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Application
EFFICIENT FERTILIZER AND ENZYME-ASSISTED METHOD OF PRODUCTION
- Publication number 20030145639
- Publication date Aug 7, 2003
- Secretary of Army
- David Bruce Ringelberg
- C05 - FERTILISERS MANUFACTURE THEREOF